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Fix YoutubeChannelExtractor for channels without videos

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This commit is contained in:
wb9688 2020-02-27 09:21:25 +01:00
parent cdbc751b87
commit 2399d46ab0
1 changed files with 16 additions and 7 deletions
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15
extractor/src/main/java/org/schabi/newpipe/extractor/services/youtube/extractors/YoutubeChannelExtractor.java
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@ -85,6 +85,7 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
@Override @Override
public String getNextPageUrl() throws ExtractionException { public String getNextPageUrl() throws ExtractionException {
if (getVideoTab() == null) return "";
return getNextPageUrlFrom(getVideoTab().getObject("content").getObject("sectionListRenderer") return getNextPageUrlFrom(getVideoTab().getObject("content").getObject("sectionListRenderer")
.getArray("contents").getObject(0).getObject("itemSectionRenderer") .getArray("contents").getObject(0).getObject("itemSectionRenderer")
.getArray("contents").getObject(0).getObject("gridRenderer").getArray("continuations")); .getArray("contents").getObject(0).getObject("gridRenderer").getArray("continuations"));
@ -195,10 +196,12 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
public InfoItemsPage<StreamInfoItem> getInitialPage() throws ExtractionException { public InfoItemsPage<StreamInfoItem> getInitialPage() throws ExtractionException {
StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId()); StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
if (getVideoTab() != null) {
JsonArray videos = getVideoTab().getObject("content").getObject("sectionListRenderer").getArray("contents") JsonArray videos = getVideoTab().getObject("content").getObject("sectionListRenderer").getArray("contents")
.getObject(0).getObject("itemSectionRenderer").getArray("contents").getObject(0) .getObject(0).getObject("itemSectionRenderer").getArray("contents").getObject(0)
.getObject("gridRenderer").getArray("items"); .getObject("gridRenderer").getArray("items");
collectStreamsFrom(collector, videos); collectStreamsFrom(collector, videos);
}
return new InfoItemsPage<>(collector, getNextPageUrl()); return new InfoItemsPage<>(collector, getNextPageUrl());
} }
@ -241,9 +244,7 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
private String getNextPageUrlFrom(JsonArray continuations) { private String getNextPageUrlFrom(JsonArray continuations) {
if (continuations == null) { if (continuations == null) return "";
return "";
}
JsonObject nextContinuationData = continuations.getObject(0).getObject("nextContinuationData"); JsonObject nextContinuationData = continuations.getObject(0).getObject("nextContinuationData");
String continuation = nextContinuationData.getString("continuation"); String continuation = nextContinuationData.getString("continuation");
@ -295,6 +296,14 @@ public class YoutubeChannelExtractor extends ChannelExtractor {
throw new ParsingException("Could not find Videos tab"); throw new ParsingException("Could not find Videos tab");
} }
try {
if (videoTab.getObject("content").getObject("sectionListRenderer").getArray("contents")
.getObject(0).getObject("itemSectionRenderer").getArray("contents")
.getObject(0).getObject("messageRenderer").getObject("text").getArray("runs")
.getObject(0).getString("text").equals("This channel has no videos."))
return null;
} catch (Exception ignored) {}
return videoTab; return videoTab;
} }
} }